CN108504829B - A kind of gear quenching device - Google Patents
A kind of gear quenching device Download PDFInfo
- Publication number
- CN108504829B CN108504829B CN201810610082.XA CN201810610082A CN108504829B CN 108504829 B CN108504829 B CN 108504829B CN 201810610082 A CN201810610082 A CN 201810610082A CN 108504829 B CN108504829 B CN 108504829B
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- CN
- China
- Prior art keywords
- gear
- exit conveyor
- rapid cooling
- conveyer belt
- guided way
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The present invention relates to gear machining technology fields, more particularly, to a kind of gear quenching device, including fuel tank, rapid cooling conveyer belt, guided way and exit conveyor；One end of guided way is gear input port, and the other end is gear delivery outlet；Rapid cooling conveyer belt is equipped with partition, and the partition of equipped at outlet port is diagonally downward；Diagonally downward, stem is connect exit conveyor with delivery outlet, and several wiper mechanisms are equipped with above exit conveyor；Exit conveyor is equipped with several grinding tooths, is equipped with the protrusion for opening wiper mechanism at grinding tooth tooth root.Gear movement is to delivery outlet, and diagonally downward, gear is in gravitational motion to exit conveyor for partition, gear gravitional force is converted into mechanical energy, moves on exit conveyor, presses protrusion with the tooth engagement on exit conveyor in motion process, wiper mechanism switch is opened, gear is cleaned.This device cleans the greasy dirt of gear surface while gear is transmitted and exported, improves production efficiency after the cold gear of oil.
Description
Technical field
The present invention relates to gear machining technology fields, more particularly, to a kind of gear quenching device.
Background technique
The materials such as steel, alloy are heated to critical-temperature or more by quenching, heat preservation a period of time, then critical cold to be greater than
But the heat treatment process of the cooling rate rapid cooling of speed.Steel can change its rigidity, hardness, wearability, fatigue strength after quenching
And toughness etc., to meet the different requirements of various machine components and tool.Therefore, to it during Gear Processing
Quenching can be improved the characteristics such as hardness, the wearability of gear.When carrying out rapid cooling to material, water cooling and the cold two kinds of sides of oil are generallyd use
Formula.Pollution there is no using water cooling, but be easy to cause the cracking of part, and part can be reduced in such a way that oil is cold
The tendency of cracking.Therefore, general in such a way that oil is cold when being quickly cooled down to gear, avoid gear splitting from influencing its quality.
After being quickly cooled down in such a way that oil is cold to gear, a large amount of greasy dirt can be remained on the surface of gear, therefore, it is necessary to
Gear is cleaned.Gear quenching device in the prior art cannot to oil it is cold after gear clean, need additionally to increase
If cleaning device.
Summary of the invention
The invention is intended to provide a kind of gear quenching device, it is cold oil to be carried out to gear, and exported gear oil is cold
Cheng Zhongneng cleans gear surface greasy dirt.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of gear quenching device, including rack, fuel tank, transport mechanism and N number of wiper mechanism；
Transport mechanism includes rapid cooling transport mechanism and exit conveyor；Rapid cooling transport mechanism is fixedly arranged in fuel tank, and rapid cooling passes
Sending mechanism includes rapid cooling conveyer belt and guided way, and rapid cooling conveyer belt is annular, and rapid cooling conveyer belt is equipped with partition, partition and rapid cooling
The angle of conveyer belt zone face is 45 °；Guided way is located at rapid cooling conveyer belt periphery in " U " font, and the upper end of guided way is lower than rapid cooling
The upper end of conveyer belt；One end of guided way is equipped with input port, and the partition at input port tilts upward, and the other end of guided way is equipped with
Delivery outlet；Exit conveyor includes rake, and the high-end of rake connect with delivery outlet, interval on the rake of exit conveyor
Equipped with N group tooth, every group of tooth is made of multiple grinding tooths, and exit conveyor is equipped with N number of through-hole, and through-hole is located at wherein the two of every group of tooth
Between a grinding tooth；
Wiper mechanism is set to the top of output transmission belt, is fixed in rack；Wiper mechanism includes the first water pipe, the first water
Pipe lower wall is equipped with outlet, and the protrusion of opening, the outlet for closing the first water pipe is additionally provided in wiper mechanism, and protrusion is slidably connected
In through-hole, raised upper end passes through through-hole and is located at outside exit conveyor.
Technical effect: rapid cooling conveyer belt and guided way form the channel for accommodating gear, add partition on rapid cooling conveyer belt
Gear can be positioned, while each gear can also be separated.The angle of partition and rapid cooling conveyer belt zone face is 45 °, and input port
Partition tilt upward, this makes the partition of delivery outlet diagonally downward, and gear is moved downward by gravimetric tilt, reach output pass
It send and takes.Exit conveyor includes rake, and the high-end of rake connect with delivery outlet, and gear leans on itself weight after leaving delivery outlet
Power moves on exit conveyor, and the gravitional force of gear is converted into mechanical energy, increases power source without additional.It is transmitted in output
It takes and is equipped with N group tooth, every group of tooth is wherein equipped with through-hole between two grinding tooths；Gear moves on exit conveyor, engages with grinding tooth,
The protrusion on wiper mechanism is pressed in engagement process, makes protrusion slide downward in through-hole, so that the outlet of the first water pipe is opened,
Water cleans gear from the outflow of the first water pipe；After gear leaves grinding tooth, protrusion in through-hole upward sliding and reset.By
N group wiper mechanism cleans gear, and gear surface greasy dirt can be made substantially clean.
Gear to be cooled is put into input port by the technical solution more than, and gear moves to defeated with rapid cooling conveyer belt
Out on conveyer belt, is moved on exit conveyor by self gravity, engage with the grinding tooth on exit conveyor, pressed in engagement process
The protrusion on wiper mechanism is pressed, to open the outlet of the first water pipe, gear is cleaned.Compared with prior art, our
Case is equipped with cleaning part on exit conveyor, the scavenger of achievable gear while sending out gear after the cold gear of oil
Make, improves working efficiency.Another gear moves on exit conveyor and the cleaning of gear is to convert the gravitional force of gear to
Mechanical energy does not increase power source additionally, energy saving.Further, the two sides of guided way are installed with two the first parallel guide rods,
First guide rod is between guided way and rapid cooling conveyer belt；The two sides of exit conveyor are installed with two the second parallel guiding
Bar.First guide rod and the second guide rod can limit the axial direction of gear, prevent gear from toppling over during the motion.
Further, several hydraulic fluid ports are equipped on rapid cooling conveyer belt and guided way.Hydraulic fluid port can allow cooling oil that can sufficiently flow, and make
Gear is cooling more evenly.
Further, transport mechanism further includes entrance conveyor, and the tail end of entrance conveyor is connect with input port；Input transmission
The two sides of band are installed with two parallel third guide rods.
Entrance conveyor is set, and gear to be cooled is placed in entrance conveyor, is conveyed gear by conveyer belt by people
To input port, without manually in input port holding gears；Third guide rod can limit the axial direction of gear, prevent gear from existing
Topple in motion process.
Further, wiper mechanism further includes the casing being set on the first pipe outer wall, and casing lower wall is equipped with and the
The water outlet that the outlet of one water pipe is staggered；Reset spring is installed in rack, the other end and casing of reset spring are fixed to be connected
It connects, reset spring is set in outside the first water pipe, and the first water pipe is closed at one end；The casing other end is closed and is inclined-plane, cannula bevel
It is equipped with pushing block, pushing block can be slided along cannula bevel；Pushing block is fixedly connected with connecting rod far from one end of casing, connecting rod it is another
One end is fixedly connected with convex.
It is arranged casing on first pipe outer wall, moves horizontally casing, makes going out on the water outlet and the first water pipe on casing
Mouth connection is staggered to realize cleaning gear or stop cleaning gear.Gear leaves protrusion, and reset spring elongation resets, makes
Protrusion upward sliding in through-hole, protrusion reset.
Further, exit conveyor is equipped with several leakage fluid drams.Leakage fluid dram can make the water cleaned on backgear bottom from row
The discharge of liquid mouth, drip is except most of water on gear.
Further, exit conveyor further includes horizontal part, the rake low side connection of horizontal part and exit conveyor, output
It is equipped with below conveyer belt and connects liquid case, connect and be equipped with small-sized waterwheel in liquid case, waterwheel is located at the horizontal part of exit conveyor；In water tank also
It is communicated with the second water pipe, the water outlet of the second water pipe is located on waterwheel；Waterwheel is coaxially connected with fan.
The water of second water pipe outflow drives waterwheel rotation, and waterwheel drives fan rotation, and fan is further to the water on gear
It air-dries.By the way that waterwheel is arranged, waterwheel is driven to rotate using the gravitional force that the water in water tank flows downward out, it is dynamic without additionally increasing
Power source.
Further, several blades are installed on rapid cooling conveyer belt.Blade is with the movement of rapid cooling conveyer belt and in cooling oil transfer
It is dynamic, cooling oil is stirred, further flows cooling oil sufficiently, to keep gear cooling more evenly.
" N " in text represents numerical value, and all " N " represents same numerical value, value >=2.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the gear quenching device of the embodiment of the present invention one.
Fig. 2 is A-A cross-sectional view shown in Fig. 1.
Fig. 3 is enlarged drawing at the C in Fig. 1.
Fig. 4 is the cross-sectional view of B-B wiper mechanism shown in Fig. 1.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description includes: fuel tank 1, guided way 2, the first guide rod 21, entrance conveyor 3, fast
Cold conveyer belt 4, partition 41, hydraulic fluid port 411, exit conveyor 5, the second guide rod 51, through-hole 52, grinding tooth 53, wiper mechanism 6, set
Pipe 61, water outlet 611, the first water pipe 62, outlet 621, pushing block 63, connecting rod 64, raised 65, reset spring 66, waterwheel 7, tooth
Take turns 8, input port 9, delivery outlet 10.
Embodiment
It is as shown in Figure 1 to 4: a kind of gear quenching device, including rack, fuel tank 1, transport mechanism and four wiper mechanisms
6。
Cooling oil is filled in fuel tank 1, transport mechanism includes entrance conveyor 3, rapid cooling transport mechanism and exit conveyor 5；
Rapid cooling transport mechanism is fixedly arranged in fuel tank 1, and rapid cooling transport mechanism includes rapid cooling conveyer belt 4 and guided way 2；Rapid cooling conveyer belt 4 is
Several blade (not shown)s have been bolted on rapid cooling conveyer belt 4, has passed through bolt on rapid cooling conveyer belt 4 and connects for annular
It is connected to partition 41, partition 41 and the angle of 4 zone face of rapid cooling conveyer belt are 45 °, and each partition 41 is equipped with several hydraulic fluid ports 411, such as Fig. 1
It is shown；Guided way 2 is located at 4 periphery of rapid cooling conveyer belt in " U " font, and the upper end of guided way 2 is lower than the upper end of rapid cooling conveyer belt 4,
Several hydraulic fluid ports 411 also are provided on guided way 2,2 front and rear sides of guided way are welded with the first guide rod 21；The side of guided way 2
End is equipped with input port 9, and the end side that guided way 2 has is equipped with delivery outlet 10；The tail end of entrance conveyor 3 and input port 9
Connection；The two sides of entrance conveyor 3 are equipped with third guide rod；Exit conveyor 5 includes rake and horizontal part, the height of rake
It is connect at end with delivery outlet 10, the bottom end of rake is connect with horizontal part；The two sides of exit conveyor 5 are equipped with the second guide rod
51；Exit conveyor 5 is equipped with several leakage fluid drams.As shown in figure 3, being intermittently equipped with and gear 8 on the rake of exit conveyor 5
Four groups of teeth of engagement, every group of tooth are made of two grinding tooths, are set on exit conveyor 5 there are four through-hole 52, through-hole 52 is located at every group
Between two grinding tooths 53 of tooth, protrusion 65 is slidably connected in through-hole 52, the upper end of protrusion 65 passes through through-hole 52 and passes positioned at output
It send outside band 5.
As shown in figure 4, wiper mechanism 6 includes water tank and the first water pipe 62；First water pipe 62 is connected to water tank, the first water pipe
It is set in 62 lower wall there are two outlet 621,62 right end of the first water pipe is closed；It is arranged with casing 61 on first water pipe, 62 outer wall,
61 right end of casing closing and be inclined-plane, sets that there are two the water outlets 611 being staggered with outlet 621 in 61 lower wall of casing；In rack
It is welded with reset spring 66, the other end of reset spring 66 and the left end of casing 61 are welded, and reset spring 66 is set in the first water
Outside pipe 62.The inclined-plane of casing 61 is equipped with pushing block 63, and pushing block 63 can be slided along 61 inclined-plane of casing；Pushing block 63 far from casing 61 one
End is welded with connecting rod 64, and the other end and protrusion 65 of connecting rod 64 weld.It is equipped with below exit conveyor 5 and connects liquid case, connect liquid
Small-sized waterwheel 7 is equipped in case, waterwheel 7 is located at the horizontal part of exit conveyor 5, the second water pipe, the second water are also communicated in water tank
The water outlet of pipe is located on waterwheel 7；Waterwheel 7 is coaxially connected with fan.
When specific operation, gear 8 to be cooled is placed in entrance conveyor 3, entrance conveyor 3 moves, and transports gear 8
Move to input port 9, gear 8 enters on the partition 41 for reaching rapid cooling conveyer belt 4 from input port 9, by partition 41 by each gear 8 every
It opens, gear 8 is positioned by rapid cooling conveyer belt 4, partition 41, guided way 2 and the first guide rod 21.Turn rapid cooling conveyer belt 4 counterclockwise
Dynamic, gear 8 is moved with rapid cooling conveyer belt 4, is cooled down in cooling oil；Due to equal on rapid cooling conveyer belt 4 and guided way 2
Equipped with hydraulic fluid port 411, cooling oil is enable sufficiently to flow；And rapid cooling conveyer belt 4 is equipped with several blades, and blade is with rapid cooling conveyer belt
4 move and rotate in cooling oil, stir cooling oil, flow cooling oil sufficiently, to keep the cooling of gear 8 more equal
It is even.With the movement of rapid cooling conveyer belt 4, gear 8 reaches delivery outlet 10, since partition 41 and conveyer belt angle are 45 °, delivery outlet
Diagonally downward, gear 8 moves downward 10 partition 41 by gravimetric tilt, moves on the rake of exit conveyor 5, gear
8 gravitional force is converted into mechanical energy, and gear 8 continues to move on the rake of exit conveyor 5, moves to first group of tooth
When, it is engaged with the grinding tooth 53 of first group of tooth, protrusion 65 is pressed in engagement process, make the slide downward in through-hole 52 of protrusion 65, by
It is welded in connecting rod 64 and protrusion 65, protrusion 65 drives connecting rod 64 to move downward, and connecting rod 64 drives pushing block 63 to move downward,
Pushing block 63 gives one, the inclined-plane horizontal component of casing 61, is moved to the left casing, compression reseting spring 66, to make on casing 61
Water outlet 611 be connected to the outlet 621 on the first water pipe 62, the water in the first water pipe 62 from water outlet 611 flow out, to gear
8 are cleaned.Gear 8 continues to move on exit conveyor 5, and gear 8 leaves protrusion 65, and compressed reset spring 66 is extensive
It is multiple, so that casing 61 is moved right, the outlet 621 on the first water pipe 62 is staggered completely with the water outlet 611 on casing 61, the first water
Pipe 62 stops water outlet；Casing 61, which moves right, moves upwards pushing block 63, and pushing block 63 drives protrusion 65 logical by connecting rod 64
Upward sliding in hole 52, protrusion 65 reset, and next gear 8 is waited to arrive.
Gear 8 cleans gear 8 when reaching wiper mechanism 6, and gear 8 stops water outlet after leaving wiper mechanism 6, with section
The about energy.After the cleaning of four wiper mechanisms 6, the greasy dirt carried on gear 8 is essentially eliminated.It is set on exit conveyor 5
Leakage fluid dram can be such that the water cleaned on 8 bottom of backgear is discharged from leakage fluid dram, and drip is except most of water on gear 8；After gear 8 cleans
Continuation moves on exit conveyor 5, after leakage fluid dram drip is except most of water, by waterwheel 7；The water of second water pipe outflow is to water
Vehicle 7 is impacted, and the gravitional force that water flows downward out is converted into mechanical energy and waterwheel 7 is driven to rotate, and waterwheel 7 drives fan rotation,
Fan further air-dries the water on gear 8, is moved to the next step with backgear 8.
Described is only the embodiment of the present invention, and the common sense such as well known specific technical solution and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from technical solution of the present invention
Under, several modifications and improvements can also be made, these also should be considered as protection scope of the present invention, these all will not influence this hair
The effect and patent practicability of bright implementation.The scope of protection required by this application should be based on the content of the claims, says
The records such as the specific embodiment in bright book can be used for explaining the content of claim.
Claims (7)
1. a kind of gear quenching device, it is characterised in that: including rack, fuel tank, transport mechanism and N number of wiper mechanism；
The transport mechanism includes rapid cooling transport mechanism and exit conveyor；Rapid cooling transport mechanism is fixedly arranged in fuel tank, and rapid cooling passes
Sending mechanism includes rapid cooling conveyer belt and guided way, and rapid cooling conveyer belt is annular, and rapid cooling conveyer belt is equipped with partition, partition and rapid cooling
The angle of conveyer belt zone face is 45 °；Guided way is in " U " font and is located at rapid cooling conveyer belt periphery, and the upper end of guided way is lower than fast
The upper end of cold conveyer belt；One end of guided way is equipped with input port, and the partition at input port tilts upward, and the other end of guided way is set
There is delivery outlet；Exit conveyor includes rake, and the high-end of rake connect with delivery outlet, on the rake of exit conveyor between
It has a rest and is equipped with N group tooth, every group of tooth is made of multiple grinding tooths, and exit conveyor is equipped with N number of through-hole, and through-hole is located at every group of tooth wherein
Between two grinding tooths；
The wiper mechanism is set to the top of output transmission belt, is fixed in rack；Wiper mechanism includes the first water pipe, the first water
Pipe lower wall is equipped with outlet, and the protrusion of opening, the outlet for closing the first water pipe is additionally provided in wiper mechanism, and protrusion is slidably connected
In the through-hole, raised upper end passes through the through-hole and is located at outside exit conveyor；
The wiper mechanism further includes the casing being set on the first pipe outer wall, and casing lower wall is equipped with and the first water pipe
Export the water outlet being staggered；Reset spring is installed in rack, the other end of reset spring is fixedly connected with described sleeve pipe, is resetted
Spring is set in outside first water pipe, and the first water pipe is closed at one end；The casing other end is closed and is inclined-plane, sets in cannula bevel
There is pushing block, pushing block can be slided along cannula bevel；Pushing block is fixedly connected with connecting rod, the other end of connecting rod far from one end of casing
It is fixedly connected with the protrusion.
2. gear quenching device according to claim 1, it is characterised in that: it is parallel that the two sides of the guided way are installed with two
The first guide rod, the first guide rod is between guided way and rapid cooling conveyer belt；It is flat that the two sides of exit conveyor are installed with two
The second capable guide rod.
3. gear quenching device according to claim 2, it is characterised in that: be all provided on the rapid cooling conveyer belt and guided way
There are several hydraulic fluid ports.
4. gear quenching device according to claim 3, it is characterised in that: the transport mechanism further includes input transmission
The tail end of band, entrance conveyor is connect with input port；The two sides of entrance conveyor are installed with two parallel third guide rods.
5. gear quenching device according to claim 4, it is characterised in that: the exit conveyor is equipped with several drains
Mouthful.
6. gear quenching device according to claim 5, it is characterised in that: the exit conveyor further includes horizontal part,
The connection of the rake low side of horizontal part and exit conveyor, the exit conveyor lower section, which is equipped with, connects liquid case, connects in liquid case and is equipped with
Small-sized waterwheel, waterwheel are located at the horizontal part of exit conveyor；The second water pipe, the water outlet position of the second water pipe are also communicated in water tank
In on waterwheel；Waterwheel is coaxially connected with fan.
7. gear quenching device described according to claim 1~any one of 6, it is characterised in that: on the rapid cooling conveyer belt
It is installed with several blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810610082.XA CN108504829B (en) | 2018-06-13 | 2018-06-13 | A kind of gear quenching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810610082.XA CN108504829B (en) | 2018-06-13 | 2018-06-13 | A kind of gear quenching device |
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| Publication Number | Publication Date |
|---|---|
| CN108504829A CN108504829A (en) | 2018-09-07 |
| CN108504829B true CN108504829B (en) | 2019-09-03 |
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| CN201810610082.XA Active CN108504829B (en) | 2018-06-13 | 2018-06-13 | A kind of gear quenching device |
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| CN114410940A (en) * | 2021-12-20 | 2022-04-29 | 刘仲灵 | Industrial steel sheet thermal treatment automatic rising receiving device |
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| CN205710847U (en) * | 2016-06-20 | 2016-11-23 | 天津市万得福工贸有限公司 | A kind of finer wire heat treatment lead bath |
| CN106755825B (en) * | 2016-12-25 | 2018-08-28 | 重庆润跃机械有限公司 | cooling device for gear quenching process |
| CN106755914B (en) * | 2016-12-25 | 2018-03-27 | 重庆润跃机械有限公司 | A kind of gear quenching device |
| CN207330992U (en) * | 2017-09-15 | 2018-05-08 | 佛山市南海蓝代工艺礼品有限公司 | A kind of heat treatment cooling device of cylindrical workpiece |
| CN207452198U (en) * | 2017-09-30 | 2018-06-05 | 重庆市云阳曲轴有限责任公司 | A kind of bent axle quenching unit |
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Address after: No.108 Qianqiu Road, WANGU Town, Dazu District, Chongqing Patentee after: Chongqing Dazu Chuanjiang metal products factory Address before: Four agency 402760 Chongqing District of Bishan City Bi Cheng Jie Dao Ou Tang Cun Patentee before: CHONGQING BISHAN CHUANJIANG METAL PARTS FACTORY |